JP4494713B2 - Battery pack - Google Patents

Battery pack Download PDF

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Publication number
JP4494713B2
JP4494713B2 JP2002339667A JP2002339667A JP4494713B2 JP 4494713 B2 JP4494713 B2 JP 4494713B2 JP 2002339667 A JP2002339667 A JP 2002339667A JP 2002339667 A JP2002339667 A JP 2002339667A JP 4494713 B2 JP4494713 B2 JP 4494713B2
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Japan
Prior art keywords
battery
case
film
battery pack
secondary battery
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Expired - Fee Related
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JP2002339667A
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JP2003234096A (en
Inventor
浩一 因幡
猪一郎 森
尚宏 浜尾
正 渡辺
克巳 高津
幸一 鳥山
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パナソニック株式会社
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Priority to JP2001-369738 priority Critical
Priority to JP2001369738 priority
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Priority to JP2002339667A priority patent/JP4494713B2/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/10Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M2/1016Cabinets, cases, fixing devices, adapters, racks or battery packs
    • H01M2/1022Cabinets, cases, fixing devices, adapters, racks or battery packs for miniature batteries or batteries for portable equipment
    • H01M2/105Cabinets, cases, fixing devices, adapters, racks or battery packs for miniature batteries or batteries for portable equipment for cells of cylindrical configuration
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/10Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M2/1016Cabinets, cases, fixing devices, adapters, racks or battery packs
    • H01M2/1022Cabinets, cases, fixing devices, adapters, racks or battery packs for miniature batteries or batteries for portable equipment
    • H01M2/1061Cabinets, cases, fixing devices, adapters, racks or battery packs for miniature batteries or batteries for portable equipment for cells of prismatic configuration or for sheet-like batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/20Current conducting connections for cells
    • H01M2/34Current conducting connections for cells with provision for preventing undesired use or discharge, e.g. complete cut of current
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/02Cases, jackets or wrappings
    • H01M2/0202Cases, jackets or wrappings for small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment
    • H01M2/0217Cases of prismatic shape
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/02Cases, jackets or wrappings
    • H01M2/0202Cases, jackets or wrappings for small-sized cells or batteries, e.g. miniature battery or power cells, batteries or cells for portable equipment
    • H01M2/022Cases of cylindrical or round shape
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/12Vent plugs or other mechanical arrangements for facilitating escape of gases
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/20Current conducting connections for cells
    • H01M2/30Terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/42Grouping of primary cells into batteries

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、小型化、薄型化が進展する携帯電子機器の電池電源として対応させるべく、小型軽量化、薄型化を図った電池パックに関するものである。 The present invention is compact, in order to correspond as a battery power source of the portable electronic device thinner progresses, smaller and lighter, it relates to a battery pack which attained thinner.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
携帯電話機やモバイルコンピュータ等の携帯情報機器や携帯音響機器などは、その携帯性を向上させるべく小型軽量化、薄型化の要求が高まっている。 Such as portable information devices and portable audio devices such as mobile phone or mobile computer, its portability smaller and lighter to improve the, there is an increasing demand for thinner. それを実現する鍵をにぎっている電池電源装置であると言っても過言ではなく、特に、二次電池を用いた電池電源装置の軽量化、薄型化の要求が高い。 Not too much to say that a battery power source device which holds the key to realize it, in particular, weight reduction of the battery power supply device using a secondary battery, demand for thinning is high.
【0003】 [0003]
携帯機器の電池電源装置を構成する二次電池はニッケル−カドミウム蓄電池、ニッケル−水素蓄電池、リチウムイオン二次電池が用いられるが、中でもリチウムイオン二次電池は体積エネルギー密度、重量エネルギー密度が高く、携帯電子機器の電池電源として最適である。 Secondary batteries constituting the battery power source device of the portable device a nickel - cadmium battery, a nickel - hydrogen storage batteries, lithium ion secondary batteries are used, among them lithium ion secondary battery volume energy density, weight energy density is high, it is optimal as a battery power source for portable electronic devices. しかし、エネルギー密度が非常に高いことに加えて電解液に可燃性の有機溶媒を用いていることから、電池が何らかの異常状態に陥ったときの安全性を確保する必要がある。 However, since the energy density is used a flammable organic solvent in the electrolyte solution in addition to very high, it is necessary to ensure the safety when the battery falls into any abnormal state. 異常状態は電気的、機械的、熱的などの要因が考えられる。 Abnormal condition electrical, mechanical, factors such as thermal are contemplated. 異常状態は、例えば、過充電や短絡、押しつぶし、過熱などであって、リチウムイオン二次電池では、短絡や過熱から電池を保護するPTC(Positive Thermal Coeffciennt)素子や、過充電や過放電等から電池を保護する電池保護回路などの保護機能、あるいは、異常内圧を外部に放出して電池の破裂を防止するガス排出弁などの安全機能が設けられている。 Abnormal condition, for example, overcharging or short circuit, crushing, and the like overheating, the lithium ion secondary battery, and PTC (Positive Thermal Coeffciennt) element to protect the battery against short circuit and overheating, the overcharge or overdischarge, etc. protection, such as a battery protection circuit for protecting the battery, or safety features such as a gas discharge valve for preventing the explosion of the battery by releasing abnormal internal pressure to the outside. 安全機能は電池自体に設けられ、保護機能を構成する電池保護回路やPTCは、電池とともにパックケース内に収容されて電池パックの形態に構成される(例えば、特許文献1)。 Safety functions provided in the battery itself, the battery protection circuit and PTC constituting the protective function is configured in the form of a battery pack is accommodated in the pack case along with a battery (e.g., Patent Document 1).
【0004】 [0004]
図8は、扁平角形のリチウムイオン二次電池を用いた電池パックの構成例を分解図として示すもので、上ケース51と下ケース52とからなるパックケース内に、扁平角形形状に形成されたリチウムイオン二次電池60と、電池保護回路を構成した回路基板61及びPTC62とを収容し、下ケース52の側面に配設された外部接続端子54から充放電できるように構成されている。 Figure 8 shows an example of a configuration of a battery pack using a lithium ion secondary battery of flat prismatic as an exploded view, in a pack case having upper case 51 and lower case 52, which is formed in a flat rectangular shape a lithium ion secondary battery 60, and houses the circuit board 61 and PTC62 that a battery protection circuit, and an external connection terminal 54 provided on a side surface of the lower case 52 so that it can be charged and discharged.
【0005】 [0005]
【特許文献1】 [Patent Document 1]
特開2001−035544号公報【0006】 Japanese Unexamined Patent Publication No. 2001-035544 Publication [0006]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
携帯電子機器はその携帯性を高めるべく薄型化の追求は目覚しく、電源となる電池パックの薄型化への要求が高まっている。 Portable electronic device is remarkable in the pursuit of thinner to enhance its portability, there is a growing demand for thinner battery pack as a power source. しかし、電池の薄型化は電池容量を犠牲にすることになり、電池構成上の限度もある。 However, thinning of the battery will be at the expense of battery capacity, there is also a limit on the battery configuration.
【0007】 [0007]
電池自体の薄型化に限界があることから、電池パックとしての薄型化を図るためには、パックケースの薄型化を図ることになるが、樹脂成形製品であるケースには成形可能な最低厚さが0.25mm程度であり、最低厚さでの樹脂成形は成形性の低下や表面性状の悪化など成形品質が維持できず、量産性を欠いてしまう。 Since there is a limit to thinning of the cell itself, in order to reduce the thickness as a battery pack, which would reduce the thickness of the pack case, the case is a resin molded product is formable minimum thickness There is about 0.25 mm, a minimum resin molding at a thickness can not maintain the molding quality worsening of reduction and surface properties of moldability, thus lacks mass productivity. また、ケースの厚さが小さくなるほどケースの強度を低下させてしまい、電池、及び他の構成要素を保護する強度を得るには薄さの限度があった。 The thickness of the case which decreases the strength enough smaller case, battery, and obtain the strength to protect the other components had thin limits.
【0008】 [0008]
本発明が目的とするところは、樹脂成形では成形の限度となる厚さとなる面をフィルムに代えることによりパックケースの厚さを限界にまで薄くして薄型化を可能とした電池パックを提供することにある。 When the present invention is intended, the resin molding to provide a battery pack which enables thinner and thinner until the limit of the thickness of the pack case by changing the surface to be the thickness of the limit of molding into a film It lies in the fact.
【0009】 [0009]
【課題を解決するための手段】 In order to solve the problems]
上記目的を達成するための本発明は、平面状に配置された複数の二次電池が扁平形状の略直方体の外装ケースに収容され、前記二次電池に接続された外部接続用端子を外部露出させてなる電池パックであって、前記外装ケースは、 上下ケースからなり、前記上下ケースは主面における任意範囲が合成樹脂からなるフィルム体に、他の部位がインサート形成により形成された樹脂成形体によって形成されていると共に前記フィルム体には、前記二次電池を配列した隣り合う二次電池の側面間に生じる空隙を埋めるように充填用樹脂形成体が形成され、前記外部接続用端子は、前記樹脂成形体の形成部位から外部露出させてなることを特徴とする。 The present invention for achieving the above object, an external housed in a substantially rectangular parallelepiped exterior case of flat-shaped secondary battery of the number of multiple arranged in a plane, the connected external connection terminal to the battery a battery pack comprising exposing said outer case is made of upper and lower cases, the upper and lower cases in the film body any range of the main surface is made of synthetic resin, the resin molding other portions are formed by insert formation together are formed by the body, wherein the film body, said filling to fill the gap that occurs between the side surface of the rechargeable battery adjacent an array of secondary batteries resin formed body is formed, the external connection terminals It is characterized by comprising by external exposed from the formation sites of the resin molded body.
【0010】 [0010]
任意範囲は少なくとも二次電池と接する領域である。 Any range is a region in contact with at least two batteries.
【0011】 [0011]
上記構成によれば、二次電池を収容する外装ケースは、両面側の主面における任意範囲がフィルム体にて形成されるので、電池パックの厚さを電池とフィルム体との厚さにまで薄くすることができ、全体を樹脂成形体で形成した場合には不可能な厚さを実現することができ、薄型化の要求が高い携帯電子機器の電池電源として好適な電池パックが得られる。 According to the above configuration, the exterior case that accommodates the secondary cell, since any range in the main surface of both sides are formed by the film body, until the thickness of the battery pack to the thickness of the battery and the film body can be made thin, the entire can achieve thicknesses impossible in the case of forming a resin molded product, a suitable battery pack is obtained as a battery power source of the request is high portable electronic device thinner.
【0012】 [0012]
また、従来の樹脂成形による外装ケースを用いた方法では、薄肉部分の成形性が悪いことから量産性の悪化をきたしたが、フィルム体を用いることで量産性を向上させることができる。 Further, in the method using the external case of the conventional resin molding, it has brought about a deterioration of mass productivity because the poor formability of thin portion, it is possible to improve the mass productivity by using the film body. さらに、従来の樹脂成形による外装ケースでは、主面部分は材料の成形性と機械的強度の両方を満たすことが必要であったが、フィルム体を用いることで機械的強度を重要視した材料選択が可能になる。 Further, the outer case of the conventional resin molding, material selection but main surface portion was necessary to satisfy both moldability and mechanical strength of the material, which is important for mechanical strength by using a film body It becomes possible.
【0013】 [0013]
また、上述の任意範囲を除く領域及び側面は樹脂成形体にて構成され、樹脂成形体は、フィルム体との接合性、強度、成形性を考慮して材料選択が行われる。 Further, regions and side surfaces except for any range described above is composed of a resin molded body, the resin molded body is bonded with the film body, strength, material selection is made in consideration of moldability.
【0015】 [0015]
記の構成によっても、二次電池及び電池回路を収容する外装ケースは、上下両方の底面がフィルム体で形成されているので、電池パックの厚さを電池とフィルム体との厚さにまで薄くすることができ、全体を樹脂成形体で形成した場合には不可能な厚さを実現することができ、薄型化の要求が高い携帯電子機器の電池電源として好適な電池パックが得られる。 By construction of the upper SL, the outer case that accommodates the rechargeable battery and a battery circuit, since the bottom surface of the top and bottom both are formed in the film body, the thickness of the battery and the film body the thickness of the battery pack It can be thinned to, whole can be realized thicknesses impossible in the case of forming a resin molded body, obtained suitable battery pack as the battery power is high portable electronic devices demand for thinner It is.
【0016】 [0016]
上記構成において、フィルム体の周縁部分は樹脂成形体にインサート成形することにより、フィルム体と樹脂成形体とが一体化され、薄くても機械的強度の高い外装ケースを形成することができる。 In the above configuration, the peripheral edge portion of the film body by insert molding to the resin molded body are integrated and the film body and the resin molded body, it is possible to form the outer case also high mechanical strength thin.
【0017】 [0017]
また、複数の二次電池を用いて電池パックを構成したとき、配列した隣り合う二次電池間に生じる空隙を埋めるように樹脂成形体をフィルム体に成形することにより、フィルム体の下に空間が形成されず、複数の二次電池とフィルム体に成形された樹脂成形体とが一体化された状態になり、二次電池の収納位置が規制され、電池パックとしての強度を大幅に高めることができる。 Further, when a battery pack using a plurality of secondary batteries, by molding a resin molding into a film member to fill the gap that occurs between the secondary battery adjacent arranged, space under the film body There is not formed, it becomes a plurality of states and is resin molded article molded is integrated into the secondary battery and the film body, housing position of the secondary battery is restricted, to increase the strength of the battery pack greatly can.
【0018】 [0018]
また、フィルム体は、その外面側となる面に硬質膜を接合した複合フィルムに形成することにより、フィルム体部位のキズ付きを抑制し、表面性状及び美観を向上させることができる。 The film body, by forming a composite film bonded to a hard film on the surface to be the outer surface, to suppress the scratching of the film body sites, it is possible to improve the surface properties and aesthetics.
【0019】 [0019]
また、フィルム体は、その内面側となる面に接着層を形成することにより、二次電池の平坦面に接着して位置固定することができると同時に、押し圧によるフィルムの変形を防ぐことができる。 The film body, by forming an adhesive layer on the surface to be the inner surface side thereof, and at the same time can be located adhesively secured to the flat surface of the secondary battery, is possible to prevent deformation of the film due to pressing force it can.
【0020】 [0020]
また、フィルム体はガラス繊維、炭素繊維等を芯材として、これをエポキシ樹脂等で固めた強化プラスチックフィルムを適用することによって、外装ケースの強度を高めることができる。 The film body glass fiber, as a core material of carbon fiber or the like, by applying the reinforced plastic film which was hardened with an epoxy resin or the like, it is possible to increase the strength of the outer case.
【0021】 [0021]
また、外装ケースの任意側面にガス抜き孔を形成することによって、二次電池に設けられたガス排気口から異常内圧が放出されたとき、放出されたガスを外部に排出して外装ケースに膨らみが生じることがない。 Further, by forming a gas vent hole at any side of the case, when an abnormal pressure is released from the gas exhaust port provided in the secondary battery, bulge in the outer casing to discharge the released gas to the outside It never occurs. 外装ケースの広い面がフィルム体で形成した場合には膨らみが生じやすいので、ガスを外部排出するガス抜き孔は重要な要件となる。 Since prone to bulging if the wide surface of the outer case is formed with a film material, a gas vent hole for externally discharging the gas is an important requirement.
【0022】 [0022]
また、電池回路は回路基板を設けて構成され、前記回路基板は二次電池の短側面に配設して二次電池と回路基板とを一体化することにより、外装ケース内に二次電池及び回路基板を収納する作業が容易になる。 The battery circuit is configured by providing a circuit board, the circuit board by integrating a secondary battery and a circuit board disposed in the short side of the secondary battery, the secondary battery and the exterior case work for housing the circuit board is facilitated.
【0023】 [0023]
また、電池回路は回路基板を設けて構成され、前記回路基板は外装ケースに配設することにより、回路基板を外装ケースに固定して、回路基板が確実に保持され、回路基板に外部接続端子を形成して、この外部接続端子を外装ケースの側周面に形成された開口部から外部露出させることが容易となる。 The battery circuit is configured by providing a circuit board, the circuit board by disposing the outer case, by fixing the circuit board to the outer casing, the circuit board is securely held, the external connection terminals to the circuit board to form, the external connection terminals can be externally exposed from an opening formed in a side surface of the case is facilitated.
【0024】 [0024]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、添付図面を参照して本発明の実施形態について説明し、本発明の理解に供する。 Hereinafter, with reference to the accompanying drawings describe exemplary embodiments of the present invention, provide an understanding of the present invention. 尚、以下に示す実施形態は本発明を具体化した一例であって、本発明の技術的範囲を限定するものではない。 Note that the embodiments described below is merely an example embodying the present invention and are not intended to limit the technical scope of the present invention.
【0025】 [0025]
図1は、第1の実施形態に係る電池パックの構成を示すもので、扁平角形のリチウムイオン二次電池(以下、二次電池)1と、この二次電池1を過充電や過放電等から保護する電池保護回路を構成した回路基板2などの電池回路構成部材とを、半殻体に形成した上ケース7及び下ケース8を接合した外装ケース10内に収容して構成されている。 Figure 1 shows the structure of a battery pack according to the first embodiment, the flat prismatic lithium ion secondary battery (hereinafter, the secondary battery) and 1, overcharge or overdischarge, etc. The secondary battery 1 and it is configured with a battery circuit components such as a circuit board 2 having a battery protection circuit for protecting, housed in an outer casing 10 formed by joining the upper case 7 and the lower case 8 formed on the half shell from. この電池パックは、これを適用する携帯電子機器の薄型化の要求に対応させるために薄型化が図られている。 The battery pack is thin is achieved in order to correspond to the requirements of thinning of the portable electronic device to apply this.
【0026】 [0026]
電池パックを薄型化するためには二次電池1の薄型化が有効であるが、所要の電池容量を得るには薄型化には限度がある。 Although in order to thin the battery pack is effective thickness of the secondary battery 1, in order to obtain the required battery capacity is limited in thickness. ここでは半殻体に形成された上ケース7及び下ケース8の底面をフィルム体によって形成することにより外装ケース10の薄型化が図られている。 Here thinning of the outer case 10 is achieved by forming the bottom surface of the film of the upper case 7 and the lower case 8 formed half shells.
【0027】 [0027]
図2は、上ケース7及び下ケース8の断面図で、半殻体に形成された上ケース7の底面はフィルム体7bにより形成され、側周部は樹脂成形体7aによって形成され、前記フィルム体7bは樹脂成形体7aの樹脂成形時に樹脂成形体7aに一体化され、全体として底面をフィルム体7bとする半殻体に形成される。 Figure 2 is a cross-sectional view of the upper case 7 and the lower case 8, the bottom surface of the upper case 7 formed in the half shells are formed by the film member 7b, the side peripheral portion is formed of a resin molded body 7a, the film body 7b is integrated with the resin molded body 7a during resin molding of the resin molded body 7a, is formed a bottom surface as a whole the semi-shells to the film body 7b. 下ケース8も同様に構成されており、底面はフィルム体8bにより形成され、側周部は樹脂成形体8aによって形成され、前記フィルム体8bは樹脂成形体8aの樹脂成形時に樹脂成形体8aに一体化され、全体として底面をフィルム体8bとする半殻体に形成される。 Lower case 8 are also configured similarly, the bottom is formed by the film member 8b, side peripheral portion is formed of a resin molded body 8a, the film body 8b in the resin molded body 8a during resin molding of the resin molded body 8a are integrated, it is formed a bottom surface as a whole the semi-shells to the film body 8b. ここでは、上ケース7及び下ケース8ともに、それらの底面の全面をフィルム体7b,8bで形成しているが、必ずしも下ケース8の底面全体に設ける必要はなく、二次電池1に対面する部位をフィルム体7b,8bとし、底面の回路基板2の配設位置には樹脂成形により基板保持用のリブ等を形成することもできる。 Here, both the upper case 7 and the lower case 8, their bottom surface of the entire surface of the film body 7b, although formed in 8b, not necessarily provided on the entire bottom surface of the lower case 8, facing the secondary battery 1 site film body 7b, and 8b, the arrangement position of the circuit board 2 of the bottom can also form a rib or the like for the substrate held by the resin molding.
【0028】 [0028]
上記フィルム体7b,8bは、PETフィルムが好適で、その厚さは50μm以上であれば適用可能であるが、外装ケース10としての強度確保あるいは樹脂成形時の熱的影響を考慮すると、100〜300μmの厚さのものが好ましい。 The film body 7b, 8b is, PET film is suitable, when the thickness thereof is applicable as long as 50μm or more, considering the thermal effects at the time of securing the strength or resin molding as the outer case 10, 100 It is preferable for the thickness of 300 [mu] m. また、フィルム体7b,8bとして、PC(ポリカーボネイト)やPMMA(メタクリル樹脂)を適用することもできる。 The film body 7b, as 8b, it is also possible to apply the PC (polycarbonate) or PMMA (methacrylic resin). 強度を向上させる場合には、ガラス繊維あるいは炭素繊維を芯材として、これをエポキシ樹脂等で固めた強化プラスチックフィルムを適用することもできる。 When improving the strength, the core material of glass fiber or carbon fiber, which can also be applied to reinforced plastic film encased in epoxy resin.
【0029】 [0029]
また、フィルム体7b,8bは、PETフィルムの外面側に硬質のカバーPET層を形成した複合フィルムを適用することによって擦れキズの発生を抑制し、表面性状及び美観の向上を図ることができる。 The film body 7b, 8b is to suppress the occurrence of scratches rubbing by applying a composite film formed with the cover PET layers hard on the outer surface side of the PET film, it is possible to improve the surface properties and aesthetics. また、フィルム体7b,8bの内面側に接着層を形成しておくことにより、二次電池1の平坦面に接着して二次電池1を位置固定すると共に、フィルム面に押し圧が加わったときに変形することがなく、フィルム外装であることの脆弱感を排除することができる。 The film body 7b, by forming an adhesive layer on the inner surface side of 8b, as well as stationary secondary battery 1 is adhered to the flat surface of the secondary battery 1, applied is pressure pushing the film surface without deformation when it is possible to eliminate the vulnerability feeling of being a film casing.
【0030】 [0030]
また、樹脂成形体7a,8aは、その成形材料としてPCあるいはPP(ポリプロピレン)、PA(ポリアミド)が好適であるが、これに限定されるものではない。 Further, the resin molded body 7a, 8a is, PC or PP (polypropylene) as the forming material, PA (polyamide), but is preferably, but is not limited thereto.
【0031】 [0031]
上記構成になる上ケース7及び下ケース8は、成形金型内にフィルム体7b,8bを送り込んで樹脂成形体7a,8aを樹脂成形することにより、フィルム体7b,8bはそれぞれ樹脂成形体7a,8aに一体化される。 Upper case 7 and the lower case 8 made in the above construction, the film body 7b into the molding die, 8b and fed by resin molding 7a, by the 8a to resin molding, film body 7b, respectively 8b resin molded body 7a , it is integrated into the 8a. この上ケース7及び下ケース8を用いた電池パックは以下のように組み立てられる。 Battery pack using the upper case 7 and the lower case 8 is assembled as follows.
【0032】 [0032]
図1において、二次電池1の負極端子を構成する電池缶1bの底部に負極リード板5の一端を溶接し、二次電池1の正極端子1aには正極リード板4の一端を溶接して、負極リード板5の他端は回路基板2の所定位置に半田付けされ、正極リード板4は絶縁紙6により電池缶1bとの間を絶縁し、正極リード板4の他端はPTC素子3の一方電極に、PTC素子3の他方電極は回路基板2の所定位置に半田付けされる。 In Figure 1, welded to one end of the negative electrode lead plate 5 on the bottom of the battery can 1b constituting the negative terminal of the secondary battery 1, the positive terminal 1a of the secondary battery 1 by welding one end of the cathode lead plate 4 the other end of the negative electrode lead plate 5 is soldered to a predetermined position of the circuit board 2, a positive electrode lead plate 4 is insulation between the battery can 1b by insulating paper 6, the other end of the positive electrode lead plate 4 PTC element 3 the one electrode of the other electrode of the PTC element 3 is soldered to a predetermined position of the circuit board 2. この配線接続によって二次電池1と回路基板2とが一体化されるので、これを下ケース8内に収納する。 This wiring connection by a secondary battery 1 and the circuit board 2 are integrated, which is housed in the lower case 8. 回路基板2には外部接続端子11が形成されており、二次電池1及び回路基板2を下ケース8に収納すると、外部接続端子11が下ケース8の樹脂成形体8aに形成されている端子窓8cから外部に覗くようになる。 The circuit board 2 are external connection terminal 11 is formed and houses the secondary battery 1 and the circuit board 2 to the lower case 8, the terminal which the external connection terminals 11 are formed in the resin molded body 8a of the lower case 8 so that peek through the window 8c to the outside.
【0033】 [0033]
図2に示すように、上ケース7及び下ケース8の側周部には樹脂成形体7a,8aにより段差を形成して互いに嵌り合う嵌合部12,13が形成されている。 As shown in FIG. 2, the side periphery of the upper case 7 and the lower case 8 resin molded body 7a, fitting portions 12 and 13 fitted to each other to form a step is formed by 8a. 上記のように下ケース8内に二次電池1と回路基板2とを収納した後、下ケース8上に上ケース7を被せて互いの嵌合部12,13が嵌り合うようにして上下方向から超音波振動を加えると、上ケース7と下ケース8とは超音波接合され、電池パックが完成する。 After storing the secondary battery 1 and the circuit board 2 to the lower case in 8 as described above, the vertical direction as each other of the fitting portions 12 and 13 covered with a upper case 7 on the lower casing 8 is fitted When applying ultrasonic vibration from the upper case 7 and the lower case 8 are joined ultrasound, the battery pack is completed. 尚、前記嵌合部12,13には、一方側に凸条部12a、他方側に溝部13aが形成されており、嵌合時に凸条部12aが溝部13aに嵌り込み、超音波加振時に両者間で超音波接合されるようにすることにより、上ケース7及び下ケース8におけるフィルム体7b,8bと樹脂成形体7a,8aとの間の接合界面に与える影響を抑制している。 Incidentally, the in the fitting portion 12 and 13, whereas the ridges 12a on the side, which is the other groove 13a on the side forming, the ridges 12a when the fitting is fitted in the groove 13a, the ultrasonic pressure Futoki by so is ultrasonic bonding therebetween, thereby suppressing the influence of the film body 7b of the upper case 7 and the lower case 8, 8b and the resin molded body 7a, the bonding interface between the 8a. なお、上ケース7と下ケース8の側周部となる樹脂成形体7a、8aとに嵌合部12、13を設けて超音波振動により接合する構成に代えて、樹脂成形体7a、8aとを側周部で爪嵌合を用いて接合する構成としてもよい。 Instead of the configuration to be side peripheral portions become resin molded body 7a of the upper case 7 and the lower case 8, a fitting portion 12, 13 in the 8a provided joined by ultrasonic vibration, the resin molded body 7a, and 8a it may be used as the structure for joining with the hook engagement with the side peripheral portion.
【0034】 [0034]
上記電池パックは、二次電池1を短絡あるいは過充電、過放電等から保護する機能が設けられているが、それでも不測の事態により二次電池1内にガスが発生して電池内圧が異常上昇したときには、二次電池1に設けられた安全弁が作動してガスが二次電池1外に放出されるので二次電池1の破裂が防止される。 The battery pack, short circuit or overcharge of the secondary battery 1, but the ability to protect against over-discharge or the like is provided, but still battery internal pressure rises abnormally gas is generated in the secondary battery 1 due to unforeseen circumstances when, because gas operated safety valve provided in the secondary battery 1 is discharged to the first outer secondary battery explosion of the secondary battery 1 is prevented. 二次電池1から放出されたガスは、外装ケース10に形成された端子窓8cと外部出力端子11との間の隙間をガス抜き孔として、ここから外部に排出されるので、外装ケース10内にガスが充満して膨らみが生じることがない。 Gas released from the secondary battery 1, the gap between the terminal windows 8c and the external output terminal 11 formed on the exterior case 10 as a gas vent hole, is exhausted from here to the outside, the outer case 10 there is no possibility that gas is filled bulge occurs. 外装ケースの広い面がフィルム体で形成した場合には膨らみが生じやすいが、ガスを外部排出することにより、膨らみによる変形は防止される。 Prone to bulging if the wide surface of the outer case is formed with a film material, but by external exhaust gas, deformation due to swelling can be prevented. ガス抜き孔は、上ケース7と下ケース8の嵌合部12,13の凸条部12a、溝部13aの一部に切り欠きを設けて形成することもできる。 Venting holes, ridges 12a of the fitting portion 12, 13 of the upper case 7 and the lower case 8 can be formed by providing a notch in a part of the groove 13a.
【0035】 [0035]
以上説明した電池パックは、1個の二次電池1を用いた比較的低消費電力の携帯電子機器、例えば携帯電話機やデジタルカメラ等に対応させたものであるが、ノート型パソコンのように比較的大消費電力の携帯電子機器に対応させる場合には、複数の二次電池1を直列及び/又は並列に接続した電池パックに構成することができる。 The above-described battery pack, a relatively low power portable electronic devices using one of the secondary battery 1, but is made to correspond to, for example, a cellular phone, a digital camera, or the like, compared to laptop specifically if to support large power portable electronic device can be configured several secondary battery 1 to the battery packs connected in series and / or parallel.
【0036】 [0036]
図3は、複数の二次電池1を直並列に接続した第2の実施形態に係る電池パックの構成を示す断面図で、ここでは6個の扁平角形のリチウムイオン二次電池1を平面上に3×2に配列し、それらを直並列に電気的接続し、前述の電池パックと同様に電池回路と共に外装ケース20内に収容した電池パックに構成している。 Figure 3 is a cross-sectional view showing the structure of a battery pack according to the second embodiment by connecting a plurality of rechargeable batteries 1 in series-parallel, where the six flat prismatic lithium ion secondary battery 1 a plan 3 arranged in × 2, they were electrically connected in series-parallel, to constitute a battery pack accommodated in the outer case 20 with the battery pack as well as the battery circuit described above.
【0037】 [0037]
二次電池1の断面形状が、図示するように長円形である場合に、並列配置すると隣り合う二次電池1の間に空隙が発生する。 Cross-sectional shape of the secondary battery 1, when it is oval as shown, the air gap is generated between the secondary battery 1 adjacent to a parallel arrangement. その空隙部分に嵌り込むように、上ケース21の樹脂成形時にフィルム体7b上に充填用樹脂成形体7cが成形され、下ケース22の樹脂成形時にフィルム体8b上に充填用樹脂成形体8cが成形される。 To fit in the gap portion, for filling the resin molded body 7c in the film body onto 7b during resin molding of the upper case 21 is molded, the filling resin molded article 8c on the film member 8b during resin molding of the lower case 22 It is molded.
【0038】 [0038]
上記構成により、複数の二次電池1を半殻体の底面をフィルム体7b,8bで形成した外装ケース20内に収容した場合に、フィルム体7b,8bの面積が大きくなるが、フィルム体7b,8bと二次電池1とが一体化されるため強度低下が抑制され、フィルム体7b,8bの空隙上を覆う部分に押圧が加えられたときにも変形が生じない。 With the above structure, a plurality of secondary batteries 1 of the bottom surface of the film body 7b of the half shells, when housed in the outer case 20 formed in 8b, the film body 7b, although the area of ​​8b is increased, the film body 7b are 8b and the secondary battery 1 and the inhibition strength reduction to be one body, deformation does not occur even when the pressing is applied to the portion covering the film body 7b, 8b void above. このように広い面積を樹脂成形のみで、しかもフィルム体7b,8bと同等の厚さに形成することは極めて困難であるが、本構成のようにフィルム体7b,8bと樹脂成形体7a,8aとを一体成形することにより外装ケース10の薄型化が達成される。 In this way, large areas only the resin molding, yet film body 7b, it is extremely difficult to form the equivalent to the 8b thickness, the film member 7b as in this configuration, 8b and resin molded body 7a, 8a thinning of the outer case 10 is achieved by integrally molding and.
【0039】 [0039]
図4は、第3の実施形態に係る電池パックの構成を示す断面図で、複数の円筒形二次電池41を並列配置して、図示しない回路基板と共に外装ケース40内に収納して電池パックに構成したものである。 Figure 4 is a cross-sectional view showing the structure of a battery pack according to the third embodiment, a plurality of cylindrical secondary batteries 41 arranged in parallel, the battery pack is housed in the exterior case 40 with the circuit board (not shown) it is those that you have configured.
【0040】 [0040]
図4において、二次電池41が円筒形電池である場合にも隣り合う電池間の上下に空隙が発生するので、上ケース42の樹脂成形時にフィルム体42bに空隙に嵌まり込むように充填用樹脂成形体42cを形成し、下ケースの樹脂成形時にフィルム体43bに空隙に嵌まり込むように充填用樹脂成形体43cを形成する。 4, since the secondary battery 41 is void occurs vertically between cells adjacent in each case a cylindrical battery, filling the film body 42b during resin molding of the upper case 42 as fitted in the gap the resin molded body 42c is formed, to form a filling for a resin molded body 43c as fit into voids in the film body 43b during resin molding of the lower case. 前記充填用樹脂成形体42c、43cが形成されていることにより、フィルム体42b、43bの面積が大きくなっても、二次電池41とフィルム体42b、43bとが一体化されるため強度低下が抑制される。 Said filler for a resin molded body 42c, by 43c is formed, the film body 42b, even if the area of ​​the 43b is increased, the secondary battery 41 and the film body 42b, the strength decreases because 43b and are integrated It is suppressed. また、空隙部分を被覆するフィルム体42b、43bに押圧が加えられた場合にも変形が生じない。 Further, deformation does not occur even when the film member 42b that covers the gap portion, which is pressed into 43b were added.
【0041】 [0041]
図5は、第4の実施形態に係る電池パックの構成を示す断面図で、扁平形状の二次電池31を図示しない回路基板と共に外装ケース35内に収容して電池パックに形成したもので、外装ケース35の形成方法に特徴を有するものである。 5, those first four cross-sectional view showing the structure of a battery pack according to the embodiment of, and formed in the battery pack accommodated in the outer case 35 with the circuit board (not shown) the secondary battery 31 of flat shape, those characterized by a method of forming the outer case 35.
【0042】 [0042]
図6は、あらかじめ成形された樹脂成形体33の内側に、扁平角型の二次電池31と、この二次電池31を過充電や過放電等から保護する電池保護回路や外部接続端子を形成した回路基板などの電池回路構成部材(図示しない)が配置された状態を示す。 6, inside the resin molded body 33 which is previously molded, and the secondary battery 31 of flat rectangular, the battery protection circuit and an external connection terminal to protect the rechargeable battery 31 from overcharging and over-discharging or the like formed It shows the state in which the battery circuit components (not shown) is disposed such as a circuit board. なお、樹脂成形体33はあらかじめ、例えば4つの側周面に対応して4つの部分に分かれた構造となっており、内側に二次電池31と電池回路部材を配置してから一体化される。 The resin molded body 33 are integrated in advance from, for example, a four to correspond to the side peripheral surface divided into four parts structure, by placing the secondary battery 31 and the battery circuit member inside . また、樹脂成形体33には、外部接続端子が外部に覗くように端子窓(図示しない)を設けている。 The resin molded body 33, the external connection terminals are provided terminal window to peek outside (not shown). この状態は、まず、二次電池31と電池回路構成部材を一体化した後で、その側周部に樹脂モールドなどの方法で樹脂成形体33を形成することによってもできる。 This state is first, after integrating the secondary battery 31 and the battery circuit components can also by forming a resin molded body 33 by a method such as a resin mold on the side periphery. こうして、樹脂成形体33の内側に二次電池31と電池回路構成部材とを配置した状態で、扁平な面の上下からフィルム体32,34を対向させ、樹脂成形体33とフィルム体32,34を例えばレーザー溶接、超音波溶着などの方法を用いて一体化すると、図5に示す電池パックが完成する。 Thus, in the state in which the inner to the secondary battery 31 of the resin molded body 33 and the battery circuit components, are opposed to the film 32, 34 from the upper and lower flat surfaces, the resin molded body 33 and the film 32, 34 for example laser welding, when integrated by using a method such as ultrasonic welding, battery pack shown in FIG. 5 is completed. レーザー溶接は、溶接部位を確実に溶接できるので溶接強度の管理が容易で、しかも溶接の痕跡がばらつきにくい。 Laser welding is easy to manage the weld strength since the welded part can be reliably welded, yet traces of welding is difficult variations. また、フィルム体32,34の二次電池31に接する側の面に接着剤層を形成しておくと、二次電池31とフィルム体32,34との一体化され、電池パックとしての強度をより高めることができる。 Further, when the previously formed adhesive layer on the surface of the side in contact with the rechargeable battery 31 of the film body 32 is integrated with the rechargeable battery 31 and the film body 32, the strength of the battery pack it can be further enhanced.
【0043】 [0043]
上記説明では、上下のフィルム体32,34の両方を最後に、樹脂成形体33と一体化したが、どちらか一方のフィルム体、たとえばフィルム体34に樹脂成形体33を一体成形し、この樹脂成形体33の内側に電池回路構成部材と二次電池31を配置した状態で、他方のフィルム体32を樹脂成形体33に一体化して図5に示す電池パックを構成することもできる。 In the above description, the end of both the upper and lower films 32, 34 have been integrated with the resin molded body 33, either of the film body, and integrally molding the resin molded body 33, for example, in the film body 34, the resin in a state where the inside of the molded body 33 was placed battery circuit component and the secondary battery 31, the other film 32 may be integrated into the molded resin 33 constituting the battery pack shown in FIG.
【0044】 [0044]
図7は、二次電池31と電池回路構成部材(図示しない)を一体化し、扁平な面の上下からフィルム体32,34を対向させて配置した状態を示す。 Figure 7 shows a state where the secondary battery 31 and the battery circuit components (not shown) and integrated, and disposed opposite the film body 32, 34 from the upper and lower flat surfaces. この状態で、側周部を樹脂モールドなどの方法で樹脂成形体33を形成すると、フィルム体32,34と樹脂成形体33とが一体化されて図5に示す電池パックが完成する。 In this state, when forming the resin molded body 33 a side periphery by a method such as resin molding, the battery pack shown in FIG. 5 are integrated and the film body 32 and the resin molded body 33 is completed.
【0045】 [0045]
【発明の効果】 【Effect of the invention】
以上説明した通り本発明によれば、扁平形状に形成されたケースの底面がフィルム体によって形成されているので、外装ケースの薄型化が可能で、薄型の電池パックを構成することができ、携帯電子機器の薄型化の要求に応える電池パックを提供することができる。 According as the present invention described above, since the bottom surface of the case formed in a flat shape is formed by a film member, can be thinned in the outer case, it is possible to configure a thin battery pack, mobile it is possible to provide a battery pack to meet the requirements of thickness of the electronic apparatus.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】第1の実施形態に係る電池パックの構成を示す分解斜視図。 Figure 1 is an exploded perspective view showing the configuration of a battery pack according to the first embodiment.
【図2】同上構成における外装ケースの断面図。 FIG. 2 is a cross-sectional view of the outer case in the high frequency configuration.
【図3】第2の実施形態に係る電池パックの断面図。 3 is a cross-sectional view of a battery pack according to the second embodiment.
【図4】第3の実施形態に係る電池パックの断面図。 4 is a cross-sectional view of a battery pack according to a third embodiment.
【図5】第4の実施形態に係る電池パックの断面図。 FIG. 5 is a cross-sectional view of a battery pack according to a fourth embodiment.
【図6】第4の実施形態に係る電池パックの組立途中工程を示す断面図。 6 is a sectional view showing an assembly middle step of a battery pack according to the fourth embodiment.
【図7】第4の実施形態に係る電池パックの別の組立途中工程を示す断面図。 7 is a cross-sectional view showing another assembling middle step of a battery pack according to the fourth embodiment.
【図8】従来技術に係る電池パックの構成を示す分解斜視図。 Figure 8 is an exploded perspective view showing the configuration of a battery pack according to the prior art.
【符号の説明】 DESCRIPTION OF SYMBOLS
1,31,41 二次電池2 回路基板7,21 上ケース7a,8a,33 樹脂成形体7b,8b,32,34 フィルム体8,22 下ケース10,20,35 外装ケース 1,31,41 secondary battery 2 circuit board 7, 21 upper case 7a, 8a, 33 resin molded body 7b, 8b, 32, 34 film body 8, 22 lower case 10,20,35 outer casing

Claims (8)

  1. 平面状に配置された複数の二次電池が扁平形状の略直方体の外装ケースに収容され、前記二次電池に接続された外部接続用端子を外部露出させてなる電池パックであって、 Housed in a substantially rectangular parallelepiped exterior case of flat-shaped rechargeable battery several arranged in a plane, the connected external connection terminals A battery pack comprising by external exposed to the secondary battery,
    前記外装ケースは、 上下ケースからなり、前記上下ケースは主面における任意範囲が合成樹脂からなるフィルム体に、他の部位がインサート形成により形成された樹脂成形体によって形成されていると共に The outer casing is made of upper and lower cases, the film body comprising an arbitrary range of synthetic resin in the upper and lower cases the main surface, along with other parts is formed by a resin molded body formed by insert formation,
    前記フィルム体には、前記二次電池を配列した隣り合う二次電池の側面間に生じる空隙を埋めるように充填用樹脂形成体が形成され、 Wherein the film body, the secondary battery adjacent the arrayed secondary potting formed body so as to fill the gap that occurs between the side surface of the battery is formed,
    前記外部接続用端子は、前記樹脂成形体の形成部位から外部露出していることを特徴とする電池パック。 The external connection terminals, the battery pack characterized in that it externally exposed from the formation sites of the resin molded body.
  2. 前記フィルム体は、その外面側となる面に硬質膜を接合した複合フィルムに形成されてなる請求項1に記載の電池パック。 The film body, the battery pack according to claim 1 comprising formed on the composite film formed by bonding a hard layer on the surface to be the outer surface side.
  3. 前記フィルム体は、その内面側となる面に接着層が形成されてなる請求項1 または2のいずれか一項に記載の電池パック。 The film body according to claim 1 or 2 Neu deviation or battery pack according to an item adhesive layer surface to be the inner surface side thereof is formed.
  4. 前記フィルム体が樹脂中に芯材を配した強化プラスチックフィルムである請求項1〜 3のいずれか一項に記載の電池パック。 Claim 1-3 Neu deviation or battery pack according to an item the film body is a reinforced plastic film which arranged core in the resin.
  5. 前記外装ケースの樹脂成形体にガス抜き孔が形成されてなる請求項1〜 4のいずれか一項に記載の電池パック。 The outer gas release openings to the resin molding of the case is formed claims 1-4 Neu deviation or battery pack according to an item.
  6. 前記電池回路は回路基板を設けて構成され、前記回路基板は二次電池の短側面に配設されてなる請求項1〜 5のいずれか一項に記載の電池パック。 The battery circuit is configured by providing a circuit board, the circuit board battery pack according to claim 1-5 Neu deviation or claim made is disposed on the short side of the secondary battery.
  7. 前記電池回路は回路基板を設けて構成され、前記回路基板は外装ケースに配設されてなる請求項1〜 5のいずれか一項に記載の電池パック。 The battery circuit is configured by providing a circuit board, the circuit board battery pack according to claim 1-5 Neu deviation or claim consisting disposed in the outer case.
  8. 回路基板に外部接続端子が形成され、前記外部接続端子を外装ケースの側周面に形成された開口部から外部露出させてなる請求項又はに記載の電池パック。 External connection terminals formed on the circuit board, the battery pack according to the external connection terminal is exposed outside from the opening formed on the side surface of the case and comprising claim 6 or 7.
JP2002339667A 2001-12-04 2002-11-22 Battery pack Expired - Fee Related JP4494713B2 (en)

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Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4440548B2 (en) * 2002-02-13 2010-03-24 パナソニック株式会社 Battery and a method of manufacturing the same
KR100553200B1 (en) * 2003-06-19 2006-02-22 삼성에스디아이 주식회사 Battery pack
JP4635483B2 (en) * 2003-09-29 2011-02-23 日産自動車株式会社 Battery storage case, the battery module, and the battery pack
JP2005190956A (en) * 2003-12-26 2005-07-14 Sanyo Electric Co Ltd Thin battery pack
JP2006019093A (en) * 2004-06-30 2006-01-19 Matsushita Electric Ind Co Ltd Battery pack
US8778529B2 (en) * 2004-11-29 2014-07-15 Samsung Sdi Co., Ltd. Lithium secondary battery
JP4744127B2 (en) * 2004-12-02 2011-08-10 三洋電機株式会社 Battery pack
JP4716719B2 (en) * 2004-12-03 2011-07-06 三洋電機株式会社 Battery pack
KR100877816B1 (en) 2005-01-21 2009-01-12 주식회사 엘지화학 Battery Pack of Improved Stability
KR20060105208A (en) * 2005-04-01 2006-10-11 주식회사 엘지화학 Battery pack having very thin thickness
KR20060112731A (en) * 2005-04-27 2006-11-02 삼성에스디아이 주식회사 Secondary battery
JP2007048750A (en) * 2005-08-10 2007-02-22 Samsung Sdi Co Ltd Battery module
JP5011677B2 (en) 2005-08-12 2012-08-29 ソニー株式会社 Secondary battery
JP4873977B2 (en) * 2006-03-30 2012-02-08 三洋電機株式会社 Battery pack
JP2007280617A (en) * 2006-04-03 2007-10-25 Sony Corp Battery pack
KR100778993B1 (en) 2006-08-31 2007-11-22 삼성에스디아이 주식회사 Rechargeable battery including resin vessel type side cover
KR20080025437A (en) * 2006-09-18 2008-03-21 주식회사 엘지화학 Secondary battery capable of adjusting position of electrode terminal and having improved safety
KR100824876B1 (en) 2006-09-28 2008-04-23 삼성에스디아이 주식회사 Battery Pack
JP4293226B2 (en) 2006-11-02 2009-07-08 ソニー株式会社 Battery
JP5179746B2 (en) * 2006-11-22 2013-04-10 京セラ株式会社 The mobile terminal device
KR100839783B1 (en) * 2007-01-03 2008-06-19 삼성에스디아이 주식회사 Secondary battery
US7923144B2 (en) * 2007-03-31 2011-04-12 Tesla Motors, Inc. Tunable frangible battery pack system
KR100835743B1 (en) 2007-05-01 2008-06-05 (주)이젠솔루션 A battery pack for secondary battery
KR100922471B1 (en) * 2007-09-27 2009-10-21 삼성에스디아이 주식회사 Protection Circuit Module of Secondary Battery and Secondary Battery using the same
KR100984133B1 (en) * 2008-04-11 2010-09-28 삼성에스디아이 주식회사 Battery pack
JP5063646B2 (en) * 2009-07-31 2012-10-31 パナソニック株式会社 The battery pack case, a method of manufacturing the same, the battery pack and a method of manufacturing the same
DE102010000106A1 (en) * 2010-01-18 2011-07-21 REVA GmbH Vertrieb von elektronischen Produkten, 73249 Pack with a plurality of cells held together by means of potting compound single cells
JP4803306B1 (en) * 2010-04-07 2011-10-26 ソニー株式会社 Method for producing a battery pack and the battery pack
KR101152443B1 (en) 2010-07-12 2012-06-01 삼성에스디아이 주식회사 Battery Pack
KR101233615B1 (en) * 2011-02-09 2013-02-14 삼성에스디아이 주식회사 Battery pack
DE102011076919A1 (en) 2011-06-03 2012-12-06 Sb Limotive Company Ltd. Battery cell, battery or battery cell module, method for producing a battery cell and motor vehicle
WO2012178205A2 (en) * 2011-06-24 2012-12-27 Mark Olsson Modular battery pack apparatus, systems, and methods
DE102011085965A1 (en) * 2011-11-09 2013-05-16 Sb Limotive Company Ltd. Battery and motor vehicle
KR101897822B1 (en) * 2011-12-02 2018-09-13 삼성에스디아이 주식회사 Battery pack
US9209435B2 (en) * 2012-03-29 2015-12-08 Samsung Sdi Co., Ltd. Rechargeable battery
KR20140025132A (en) * 2012-08-21 2014-03-04 삼성에스디아이 주식회사 Battery pack
EP2747170B1 (en) 2012-12-21 2017-09-27 Samsung SDI Co., Ltd. Battery pack
KR20160032929A (en) * 2014-09-17 2016-03-25 삼성에스디아이 주식회사 Secondary battery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07142069A (en) * 1993-11-22 1995-06-02 Toshiba Battery Co Ltd Battery assembly and its manufacture
JPH08501654A (en) * 1992-09-14 1996-02-20 モトローラ・インコーポレイテッド Battery pack
JPH1021890A (en) * 1996-07-04 1998-01-23 Toshiba Battery Co Ltd Battery pack
JPH1050281A (en) * 1996-08-01 1998-02-20 Matsushita Electric Ind Co Ltd Battery pack
JPH11111250A (en) * 1997-10-06 1999-04-23 Japan Storage Battery Co Ltd Battery

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948441A (en) 1974-08-13 1976-04-06 Robertshaw Controls Company Time variable thermostat
JPS6472458A (en) 1987-09-14 1989-03-17 Fuji Electrochemical Co Ltd Packed cell
US5106708A (en) 1990-09-12 1992-04-21 General Motors Corporation Bipolar battery and assembly method
JP2686174B2 (en) 1990-10-26 1997-12-08 大塚化学株式会社 Thin solid electrolyte battery
JPH05159758A (en) 1991-12-02 1993-06-25 Matsushita Electric Ind Co Ltd Manufacture of sealed lead-acid battery
JPH0757721A (en) 1993-08-06 1995-03-03 Matsushita Electric Ind Co Ltd Ptc device and constitution battery having ptc device
US5508131A (en) 1994-04-07 1996-04-16 Globe-Union Inc. Injection molded battery containment for bipolar batteries
JP3270644B2 (en) 1994-11-30 2002-04-02 株式会社日立国際電気 Battery pack and a method of manufacturing the same
US5466545A (en) * 1995-01-27 1995-11-14 Fluke Corporation Compact, shock resistant battery pack
US5968682A (en) 1995-06-06 1999-10-19 Toyo Kohan Co., Ltd. Coated metal sheet for battery containers, battery containers and batteries produced thereof
JP3014293B2 (en) 1995-04-18 2000-02-28 インターナショナル・ビジネス・マシーンズ・コーポレイション Battery pack
WO1997006538A1 (en) 1995-08-07 1997-02-20 K.K. Raychem Ptc device and battery pack using the same
JPH09134714A (en) 1995-11-07 1997-05-20 Wako Denshi Kk Coned disc spring for safety device
JPH09139235A (en) 1995-11-16 1997-05-27 Japan Storage Battery Co Ltd Battery device
JP3498538B2 (en) 1996-07-09 2004-02-16 松下電器産業株式会社 Sealing plate assembly for a secondary battery and a secondary battery
JPH10241736A (en) 1997-02-26 1998-09-11 Rohm Co Ltd Battery structure
JPH11176400A (en) 1997-10-06 1999-07-02 Japan Storage Battery Co Ltd Battery case
US6210824B1 (en) 1998-01-15 2001-04-03 Texas Instruments Incorporated Current interrupt apparatus for electrochemical cells
JP2000021372A (en) 1998-06-30 2000-01-21 Matsushita Electric Ind Co Ltd Battery pack
EP1995819B1 (en) 1998-09-11 2011-07-13 Panasonic Corporation Battery pack with protective circuit
TW432736B (en) 1999-02-23 2001-05-01 Sanyo Electric Co Pack battery
JP3556875B2 (en) 1999-03-02 2004-08-25 京セラ株式会社 Battery and a method of manufacturing the same
WO2000059064A1 (en) 1999-03-30 2000-10-05 Matsushita Electric Industrial Co., Ltd. Rechargeable battery with protective circuit
IL135077D0 (en) 2000-03-15 2001-05-20 Orsense Ltd A probe for use in non-invasive measurements of blood related parameters
JP4904614B2 (en) 2000-06-22 2012-03-28 パナソニック株式会社 Battery pack and a method of manufacturing the same
JP2002110121A (en) 2000-09-26 2002-04-12 Gs-Melcotec Co Ltd Battery pack
JP3614767B2 (en) 2000-10-20 2005-01-26 松下電器産業株式会社 Exterior body forming method of electrical products
US6881371B2 (en) 2000-10-20 2005-04-19 Matsushita Electric Industrial Co., Ltd. Method for forming outer packaging body of product
JP3576484B2 (en) 2000-11-29 2004-10-13 松下電器産業株式会社 Resin-seal-molding apparatus
JP4899244B2 (en) 2001-02-15 2012-03-21 Tdk株式会社 Battery pack
JP3832252B2 (en) 2001-02-16 2006-10-11 三菱化学株式会社 Housing for a lithium secondary battery member and a secondary battery pack using the same
JP3471323B2 (en) 2001-02-27 2003-12-02 京セラ株式会社 Battery and a mobile terminal having the same
JP3625773B2 (en) * 2001-02-27 2005-03-02 三洋電機株式会社 Battery pack
JP2002373630A (en) 2001-06-13 2002-12-26 Nec Tokin Tochigi Ltd Battery pack
JP3929839B2 (en) 2001-06-28 2007-06-13 松下電器産業株式会社 Battery and battery pack
JP3643792B2 (en) 2001-06-29 2005-04-27 三洋電機株式会社 Battery pack and a method of manufacturing the same
JP3766001B2 (en) 2001-07-06 2006-04-12 京セラ株式会社 Battery and a method of manufacturing the same
US6803144B2 (en) 2001-11-01 2004-10-12 Nokia Corporation Battery pack for electronic device
US6824917B2 (en) 2001-12-11 2004-11-30 Nokia Corporation Battery system for a portable electronic device
JP4440548B2 (en) 2002-02-13 2010-03-24 パナソニック株式会社 Battery and a method of manufacturing the same
JP4629952B2 (en) 2002-02-13 2011-02-09 パナソニック株式会社 Method of manufacturing a secondary battery
EP1487032A4 (en) 2002-02-13 2008-10-08 Matsushita Electric Ind Co Ltd Battery pack manufacturing method
JP4589596B2 (en) 2002-03-22 2010-12-01 パナソニック株式会社 Battery pack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08501654A (en) * 1992-09-14 1996-02-20 モトローラ・インコーポレイテッド Battery pack
JPH07142069A (en) * 1993-11-22 1995-06-02 Toshiba Battery Co Ltd Battery assembly and its manufacture
JPH1021890A (en) * 1996-07-04 1998-01-23 Toshiba Battery Co Ltd Battery pack
JPH1050281A (en) * 1996-08-01 1998-02-20 Matsushita Electric Ind Co Ltd Battery pack
JPH11111250A (en) * 1997-10-06 1999-04-23 Japan Storage Battery Co Ltd Battery

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US20050164080A1 (en) 2005-07-28
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WO2003049213A1 (en) 2003-06-12
US7597994B2 (en) 2009-10-06

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